/*
 * Copyright 2016-2023 NXP
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 *
 * o Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or
 *   other materials provided with the distribution.
 *
 * o Neither the name of NXP Semiconductor, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file    20231003SerialRxTxIT.c
 * @brief   Application entry point.
 */
#include <stdio.h>
#include "board.h"
#include "peripherals.h"
#include "pin_mux.h"
#include "clock_config.h"
#include "MIMXRT1052.h"
#include "fsl_debug_console.h"
/* TODO: insert other include files here. */
uint8_t u8RB[32];
/* TODO: insert other definitions and declarations here. */

/*
 * @brief   Application entry point.
 */
int main(void) {

    /* Init board hardware. */
    BOARD_ConfigMPU();
    BOARD_InitBootPins();
    BOARD_InitBootClocks();
    BOARD_InitBootPeripherals();

    LPUART_TransferStartRingBuffer(LPUART4_PERIPHERAL, &LPUART4_handle, u8RB, 32);

    for(uint8_t i=0; i<LPUART4_TX_BUFFER_SIZE; i++)
    {
      LPUART4_txTransfer.data[i] = i;
    }

    LPUART_TransferSendNonBlocking(LPUART4_PERIPHERAL, &LPUART4_handle, &LPUART4_txTransfer);
    /* Enter an infinite loop, just incrementing a counter. */
    while(1) {
      uint8_t u8Count =0;

      u8Count = LPUART_TransferGetRxRingBufferLength(LPUART4_PERIPHERAL, &LPUART4_handle);

      if(u8Count == 10) // 仅作验证收发中断用，使用时MCU要接收10个数据
      {
        for(uint8_t i=0; i<u8Count; i++)
        {
          LPUART4_txTransfer.data[i] = LPUART4_handle.rxRingBuffer[LPUART4_handle.rxRingBufferTail];
          LPUART4_handle.rxRingBufferTail++;

          if(LPUART4_handle.rxRingBufferTail == LPUART4_handle.rxRingBufferSize)
          {
            LPUART4_handle.rxRingBufferTail = 0;
          }
        }

        LPUART_TransferSendNonBlocking(LPUART4_PERIPHERAL, &LPUART4_handle, &LPUART4_txTransfer);
      }
    }
    return 0 ;
}
